Answer Key • Lesson 2: Repeated Addition and Multiplicationmtb4dev.kendallhunt.com/teacher/pdf/g2/u12/G2_TG_U12_L02_AnswerKey.pdfIn class we have been learning how to solve multiplication

TG • Grade 2 • Unit 12 • Lesson 2 • Answer Key 1

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Answer Key • Lesson 2: Repeated Addition and Multiplication

Repeated Addition and Multiplication SAB • Grade 2 • Unit 12 • Lesson 2 595

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Children’s Zoo ProduceHelp the zookeeper order food for a three-day weekend. Thefirst order slip shows how much food the zoo needs for one day.Show or tell how to solve each problem.

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Student Activity Book - Page 595

SAB • Grade 2 • Unit 12 • Lesson 2 Repeated Addition and Multiplication596

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Student Activity Book

Children’s Zoo Produce (SAB pp. 595–598)Questions 1–8Strategies will vary. Possible strategies are indicatedin Figure 1 in the Lesson for Questions 1–6.

1.* 39 stalks of celery2.* 36 bags of apples

3.* 51 heads of lettuce4.* 45 bags of peanuts

*Answers and/or discussion are included in the lesson.

7. 150 ears of sweet corn8. 27 bags of kale

5.* 48 bunches of grapes6.* 21 bags of spinach


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50 Ears of Sweet Corn Ears of Sweet Corn

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9 Bags of Kale Bags of Kale


*Answers and/or discussion are included in the lesson.

2 TG • Grade 2 • Unit 12 • Lesson 2 • Answer Key






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Know the Problem (SAB pp. 599–600)Questions 1–4Drawings and number sentences will vary. Possiblenumber sentences are given.

1. 7 pieces of fruit;4 apples � 3 bananas � 7 pieces of fruit

2. 12 bananas;4 monkeys � 3 bananas � 12 bananas

3. 10 animals;4 sea lions � 3 polar bears � 3 seals �10 animals

4. 18 apples;3 � 3 � 3 � 3 � 3 � 3 � 18 apples


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Know the ProblemUse drawings to solve Questions 1–4. Write a number sentence to show how you solved each problem.

1. Jason has 4 apples and 3 bananas. How many pieces of

fruit does he have?

Number sentence

2. There are 4 monkeys. Each monkey has 3 bananas. How

many bananas are there altogether?

Number sentence


3. There are 4 sea lions, 3 polar bears, and 3 seals in the pool.What is the total number of animals in the pool?

Number sentence

4. There are 6 apes. Each ape has 3 apples. How many

apples are there altogether?

Number sentence


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4 TG • Grade 2 • Unit 12 • Lesson 2 • Answer Key



Solve Zoo Problems (SAB pp. 601–602)Questions 1–6

1. 12 cubs

Number sentence: 3 lion cubs � 4 tiger cubs �5 cheetah cubs � 12 cubs

2. 8 bananas

Number sentence: 4 monkeys � 2 bananas � 8 bananas

3. 9 cubsI put 6 in my head and counted on 2: 7, 8 andthen I counted on 1 more: 9.Number sentence:6 cubs � 2 cubs � 1 cub � 9 cubs

4. 4 bags of peanuts

I made jumps of 4 until I reached 16. I countedthe jumps and there were 4.4 monkeys � 4 bags of peanuts � 16 bags ofpeanuts

5. 28 bags of yellow squash10 � 4

� 10 � 420 � 8 = 28 bags of yellow squash

Number sentences: 14 bags � 14 bags = 28 bags of yellow squash

6. A. TrueB. FlaseC. TrueD. TrueE. True

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+4 +4 +4 +4

Solve Zoo ProblemsSolve each problem and write a number sentence. Show or tellhow you solved each problem.

1. There are 3 lion cubs, 4 tiger cubs, and 5 cheetah cubs atthe Children’s Zoo. How many cubs are at the Children’sZoo?

Number sentence

2. There are 4 monkeys at the zoo. Each monkey ate 2 bananas. How many bananas did they eat altogether?

Number sentence

3. Three tiger families are at the zoo. One family has 2 cubs,another has 6 cubs, and the third family has 1 cub. Howmany tiger cubs are there altogether?

Number sentence

16 17 18 19 20

16 17 18 19 20

16 17 18 19 20


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4. There are 4 monkeys at the zoo. The zookeeper has 16 bagsof peanuts. If he gives the same amount to each monkey,how many bags of peanuts does each monkey get?

Number sentence

5. The zookeeper needs 14 bags of yellow squash for one day.How many bags does he need for 2 days?

Number sentence

6. Circle True or False for each number sentence.

A. 4 � 4 � 4 � 3 � 4 True False

B. 2 � 3 � 2 � 3 True False

C. 5 � 5 � 5 � 5 � 5 � 4 True False

D. 3 � 5 � 5 � 3 True False

E. 2 � 2 � 2 � 2 � 4 � 2 True False

16 17 18 19 20


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Teacher Guide

Children’s Zoo Produce List (TG) Three-Day Order List• 42 Bags of Yellow Squash• 36 Hard-Cooked Eggs• 30 Bunches of Carrots• 39 Bags of Oranges• 27 Bags of Zucchini• 54 Bunches of Bananas• 45 Pounds of Beans

How Many (TG pp. 1–2) Questions 1–4

1. 10 eyes; 2 � 2 � 2 � 2 � 2 = 10 eyes or5 � 2 = 10 eyes

2. 12 tires; 4 � 4 � 4 = 12 tires or3 � 4 = 12 tires

3. 9 flowers; 3 � 3 � 3 = 9 flowers or3 � 3 = 9 flowers

4. 15 fingers; 5 � 5 � 5 = 15 fingers or3 � 5 = 15 fingers

Master



Children’s Zoo Produce ListFood Needed Each Day: Three-Day Order List:

• 14 Bags of Yellow Squash • Bags of Yellow Squash

• 12 Hard-Cooked Eggs • Hard-Cooked Eggs

• 10 Bunches of Carrots • Bunches of Carrots

• 13 Bags of Oranges • Bags of Oranges

• 9 Bags of Zucchini • Bags of Zucchini

• 18 Bunches of Bananas • Bunches of Bananas

• 15 Pounds of Beans • Pounds of Beans

TG • Grade 2 • Unit 12 • Lesson 2

Teacher Guide

Homework Master TG • Grade 2 • Unit 12 • Lesson 2 1

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How Many

Draw a picture for each problem. Then write a number sentence to answer the question.

1. Draw 5 monkey faces. Draw 2 eyes on each monkey.

How many eyes are there in all?

Number sentence

2. Draw 3 cars. Draw 4 tires on each car.

How many tires are there in all?

Number sentence

Dear Family Member:

In class we have been learning how to solve multiplication problems by usingvarious strategies (e.g., skip counting, repeated addition, drawings, constantmath hoppers). Ask your child to explain how he or she solved each problemand what each number represents in the number sentences.Thank you.

Teacher Guide - Page 1

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Homework Master

3. Draw 3 vases. Draw 3 flowers in each vase.

How many flowers are there?

Number sentence

4. Draw 3 hands. Each hand has 5 fingers.

How many fingers are there in all?

Number sentence



2 TG • Grade 2 • Unit 12 • Lesson 2

Teacher Guide - Page 2

Answer Key • Lesson 2: Repeated Addition and Multiplicationmtb4dev.kendallhunt.com/teacher/pdf/g2/u12/G2_TG_U12_L02_AnswerKey.pdfIn class we have been learning how to solve multiplication

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